Provided below are summary statistics for independent simple random samples from two

Provided below are summary statistics for independent simple random samples from two populations.

x(bar 1)=22, s1=6, n1=21, x(bar2)=23, s2=7, n2=15

1) Compute the test statistic, t=?

2)Determine the P value, P=?

3)The 90% confidence interval is from....to.....